1999687689

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{373}}^1$

素因数の和:591

約数の個数: 64

約数和(自身を含む): 3166732800

約数和(自身を除く): 1167045111

約数列:

[1, 3, 9, 23, 27, 69, 89, 97, 207, 267, 291, 373, 621, 801, 873, 1119, 2047, 2231, 2403, 2619, 3357, 6141, 6693, 8579, 8633, 10071, 18423, 20079, 25737, 25899, 33197, 36181, 55269, 60237, 77211, 77697, 99591, 108543, 198559, 231633, 233091, 298773, 325629, 595677, 763531, 832163, 896319, 976887, 1787031, 2290593, 2496489, 3220109, 5361093, 6871779, 7489467, 9660327, 20615337, 22468401, 28980981, 74062507, 86942943, 222187521, 666562563, 1999687689]

約数ペア:

[(1, 1999687689), (3, 666562563), (9, 222187521), (23, 86942943), (27, 74062507), (69, 28980981), (89, 22468401), (97, 20615337), (207, 9660327), (267, 7489467), (291, 6871779), (373, 5361093), (621, 3220109), (801, 2496489), (873, 2290593), (1119, 1787031), (2047, 976887), (2231, 896319), (2403, 832163), (2619, 763531), (3357, 595677), (6141, 325629), (6693, 298773), (8579, 233091), (8633, 231633), (10071, 198559), (18423, 108543), (20079, 99591), (25737, 77697), (25899, 77211), (33197, 60237), (36181, 55269)]